Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a second front view thereof, shown within the display screen for clarity of illustration.

The dot-dash lines in FIGS. 1-2 represent the bounds of the claimed design and form no part thereof. The two outermost broken lines in FIG. 2 represent the display screen or portion thereof and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 